HELP ME PLEASE!! Determine whetherf(z) = 5x2-202 + 3 has a maximum or a minimum value and find that value.
the graph" will also not earn the credit.

the answer will be the last one

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

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to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

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answer: d.) the total number of protons and neutrons is 15

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